4068495690 has 32 divisors (see below), whose sum is σ = 11159303040. Its totient is φ = 929941824.

The previous prime is 4068495677. The next prime is 4068495719. The reversal of 4068495690 is 965948604.

It is a super-2 number, since 2×4068495690² = 33105314359097152200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9686685 + ... + 9687104.

It is an arithmetic number, because the mean of its divisors is an integer number (348728220).

Almost surely, 2^4068495690 is an apocalyptic number.

4068495690 is an abundant number, since it is smaller than the sum of its proper divisors (7090807350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4068495690 is a wasteful number, since it uses less digits than its factorization.

4068495690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19373806.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The square root of 4068495690 is about 63784.7606407675. The cubic root of 4068495690 is about 1596.4106635716.

The spelling of 4068495690 in words is "four billion, sixty-eight million, four hundred ninety-five thousand, six hundred ninety".